Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 4.0mm) at first, then becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 10°C on Mon morning, min -5°C on Tue night). Winds increasing (light winds from the NW on Tue night, fresh winds from the WNW by Wed afternoon).
Osa Weather (Days 4-6): A light covering of new snow, mostly falling on Sat morning. Temperatures will be below freezing (max -1°C on Sat morning, min -6°C on Wed night). Winds decreasing (strong winds from the WNW on Thu morning, moderate winds from the W by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 5 |  | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Osa:
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | |  | | | | | | |  | | | |
clear | clear | light rain | light snow | light snow | light snow | some clouds | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | 1 | |
— | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 10 | 8 | 4 | -2 | -2 | -4 | -1 | -2 | -5 | -5 | -5 | -5 | -2 | -2 | -2 |
min °C | 4 | 7 | 6 | 0 | -2 | -4 | -5 | -3 | -4 | -6 | -6 | -6 | -5 | -5 | -3 | -3 |
1 | 4 | 3 | -6 | -8 | -10 | -10 | -9 | -13 | -16 | -16 | -15 | -14 | -14 | -10 | -10 | |
60 | 50 | 80 | 90 | 89 | 84 | 76 | 88 | 79 | 79 | 77 | 79 | 79 | 78 | 74 | 88 | |
2300 | 2150 | 1650 | 1050 | 350 | 350 | 0 | 300 | 400 | 0 | 0 | 0 | 0 | 0 | 400 | 250 | |
 | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — |
 | — | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — |
Light rain (total 4.0mm) at first, then becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 10°C on Mon morning, min -5°C on Tue night). Winds increasing (light winds from the NW on Tue night, fresh winds from the WNW by Wed afternoon).
A light covering of new snow, mostly falling on Sat morning. Temperatures will be below freezing (max -1°C on Sat morning, min -6°C on Wed night). Winds decreasing (strong winds from the WNW on Thu morning, moderate winds from the W by Fri night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Jan 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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